1.

The weight of 10 persons are 50, 30, 40, 30, 60, 70, 80, 40, 50 and 20 kg. Find their average weight.1. 37 kg2. 47 kg3. 57 kg4. 50 kg

Answer» Correct Answer - Option 2 : 47 kg

Given:

weight of 10 persons = 50, 30, 40, 30, 60, 70, 80, 40, 50 and 20 kg

Concept:

Average weight = Total weight/Total persons

Solution:

Total weight = 50 + 30 + 40 + 30 + 60 + 70 + 80 + 40 + 50 + 20 ⇒ 470 kg

Total persons = 10

Average weight = 470/10

⇒ 47 kg



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